How popular is Lyonnell?

Lyonnell is an uncommonly occurring first name for males. Lyonnell is also an uncommon last name for both adults and children. (2000 U.S. CENSUS)

Which version is better?

Leonel(#372 THE PREVIOUS YEAR), Lionel(#579), Lionell and Lonnell are the popular alternative forms of Lyonnell (OUTSIDE TOP 2000). These relations of Lyonnell were favored in 2016 (ADOPTION OF 0.1%). Leonel is more familiar than the rest, although Lionel seems to be getting popular too. (TOP 2000 NAMES, 2016)